A diagram that shows the different types of neurons in the brain. The diagram is divided into three sections. The top section shows a microbial cell which is a type of nerve cell that is responsible for regulating the flow of blood vessels in the nervous system. The cell is represented by a red circle with the letters "PVM" and "Monocyte" inside it. The red circle represents the blood vessel while the blue circle represents a stem cell (e.g. OPC) and the purple circle represents stem cells. In the center of the diagram there is a blood vessel with a macrophage which helps to regulate the blood flow. The blood vessel is connected to the stem cell by a membrane. The membrane is also connected to a membrane that helps to store the blood vessels. The image also shows a healthy neuron which can be seen in the bottom left corner of the image. The neuron is shown as a yellowish-orange color and is labeled as "M1-like". On the right side of the illustration there are two neurons one labeled "M2-like" and the other labeled "Remyelination". These neurons are shown as yellowish orange and are connected by a blue line. The diagram also shows the time and nature reviews for neuroscience.

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